qed: aRFS infrastructure support

This patch adds necessary APIs to interface with
qede aRFS support in successive patch.

It also reserves separate PTT entry for aRFS,
[as being in fastpath flow] for hardware access instead of
trying to acquire it at run time from the ptt pool.

Signed-off-by: Manish Chopra <manish.chopra@cavium.com>
Signed-off-by: Yuval Mintz <yuval.mintz@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 7 insertions, 0 deletions

diff --git a/include/linux/qed/qed_if.h b/include/linux/qed/qed_if.h
index 625f80f08f91..d44933a058ee 100644
--- a/include/linux/qed/qed_if.h
+++ b/include/linux/qed/qed_if.h
@@ -178,6 +178,12 @@ struct qed_eth_pf_params {
 	 * to update_pf_params routine invoked before slowpath start
 	 */
 	u16 num_cons;
+
+	/* To enable arfs, previous to HW-init a positive number needs to be
+	 * set [as filters require allocated searcher ILT memory].
+	 * This will set the maximal number of configured steering-filters.
+	 */
+	u32 num_arfs_filters;
 };
 
 struct qed_fcoe_pf_params {
@@ -427,6 +433,7 @@ struct qed_int_info {
 };
 
 struct qed_common_cb_ops {
+	void (*arfs_filter_op)(void *dev, void *fltr, u8 fw_rc);
 	void	(*link_update)(void			*dev,
 			       struct qed_link_output	*link);
 	void	(*dcbx_aen)(void *dev, struct qed_dcbx_get *get, u32 mib_type);